Home / 8,064,807.20-12,097,210.80-5,377,421.60

Finding the Fourth Proportional to 8,064,807.20, 12,097,210.80 and 5,377,421.60

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Solution

The fourth proportional to 8,064,807.20, 12,097,210.80 and 5,377,421.60 is: 8,066,132.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,064,807.20 : 12,097,210.80 = 5,377,421.60 : x
  2. Step 2: Convert to fraction form
    8,064,807.20/12,097,210.80 = 5,377,421.60/x
  3. Step 3: Cross multiply
    8,064,807.20x = 12,097,210.80 × 5,377,421.60
  4. Step 4: Simplify right side
    8,064,807.20x = 65,051,802,655,673.28
  5. Step 5: Solve for x
    x = 65,051,802,655,673.28/8,064,807.20
  6. Step 6: Final answer
    x = 8,066,132.40

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.